Robert Irvine
28Patents
16h-index
14Co-inventors
78Inventor score
Filing activity: May 13, 1975 → Sep 8, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4753429A | Collating station for inserting machine | Performing Operations; Transporting | 76 | Expired |
| US4688708A | Bursting machine | Emerging Cross-Sectional Technologies | 67 | Expired |
| US4020615A | Envelope inserter and feeder system | Performing Operations; Transporting | 46 | Expired |
| US4030722A | Sheet-material separator and feeder system | Performing Operations; Transporting | 36 | Expired |
| US4640506A | Reverse collating machine | Performing Operations; Transporting | 35 | Expired |
| US4121716A | Doubles and thickness detector and sorter | Performing Operations; Transporting | 34 | Expired |
| US4083555A | Sheet-material separator and feeder system | Performing Operations; Transporting | 33 | Expired |
| US4030723A | Vacuum-controlled, sheet-material separator and feeder system | Performing Operations; Transporting | 33 | Expired |
| US4454973A | Perforation burst cone device | Emerging Cross-Sectional Technologies | 32 | Expired |
| US3970298A | Mixed thickness sheet separator and feeder | Performing Operations; Transporting | 27 | Expired |
| US4805891A | Standard and reverse collator | Performing Operations; Transporting | 26 | Expired |
| US4067568A | Document feeding and stacking apparatus | Performing Operations; Transporting | 23 | Expired |
| US4733359A | Document collating and inserting system having displays for document count verification | Performing Operations; Transporting | 23 | Expired |
| US4524557A | Sheet processing apparatus | Performing Operations; Transporting | 23 | Expired |
| US4566685A | Document feeding device | Performing Operations; Transporting | 19 | Expired |
| US4898570A | Method and apparatus for half folding paper sheets | Performing Operations; Transporting | 18 | Expired |
| US4171128A | Document feeder for a copier | Physics | 14 | Expired |
| US3974749A | Envelope flap separating and distending method and mechanism | Performing Operations; Transporting | 14 | Expired |
| US4541764A | Document stacking and conveying apparatus | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4728095A | Separator for a document feeder | Performing Operations; Transporting | 10 | Expired |
| US4290593A | Method for sheet feeding | Performing Operations; Transporting | 9 | Expired |
| US4110038A | Document feeder for a copier | Physics | 9 | Expired |
| US3996727A | Envelope flap separating mechanism | Performing Operations; Transporting | 8 | Expired |
| US4185709A | Document weighing apparatus | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8347871B2 | Wet cutting saw | Emerging Cross-Sectional Technologies | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.